# SysX Buddy vs ECHO Survival AI

The clearest difference is price: ECHO Survival AI at Free against SysX Buddy's $4.99. SysX Buddy's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On update cadence and ads there is nothing between them.

ECHO Survival AI is free to download; SysX Buddy costs $4.99 up front. ECHO Survival AI sells 2 one-off in-app purchases. SysX Buddy asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SysX Buddy | ECHO Survival AI |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sysx-buddy/id6748940731/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | — |
| Size | 1 MB | 97 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Ryouta Kira](https://appshunter.io/developer/862984358) | [ehsan azish](https://appshunter.io/developer/1622575303) |

## What reviewers say

### SysX Buddy

[App page](https://appshunter.io/ios/app/sysx-buddy/id6748940731)

Manage MIDI System Exclusive messages on your iPhone or iPad. This utility allows you to send, receive, edit, and organize SysEx data for vintage synthesizers and sound modules. It supports external MIDI devices and BLE-MIDI, bridging classic instruments with modern mobile technology.

**Highlights:** Send and receive MIDI SysEx messages, File manager with folder creation, Hex viewer for SysEx data, Create and edit SysEx files, Support for USB MIDI devices, Support for BLE-MIDI, iCloud Drive integration

**Features:** macOS Compatibility

**In-app purchases:** none


### ECHO Survival AI

[App page](https://appshunter.io/ios/app/echo-survival-ai/id6756616533)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock offline use forever | $12.99 | one-time |
| Full version | $12.99 | one-time |


## Frequently asked questions

### Is SysX Buddy free?

SysX Buddy costs $4.99, with no in-app purchases.

### Is ECHO Survival AI free?

ECHO Survival AI is free to download, with in-app purchases available.

### Do SysX Buddy or ECHO Survival AI have ads?

Neither SysX Buddy nor ECHO Survival AI shows ads.

### Which is updated more often, SysX Buddy or ECHO Survival AI?

SysX Buddy ships an update every 3 months, and ECHO Survival AI every 3 months. Most recently, SysX Buddy was updated on October 24, 2026 and ECHO Survival AI on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*